S
M
T
W
T
F
S
29
39°
22°
30
54°
35°
31
41°
31°
1
38°
31°
2
39°
28°
3
48°
34°
4
48°
34°
5
46°
36°
6
41°
31°
7
32°
20°
8
40°
27°
9
57°
36°
10
53°
40°
11
44°
37°
12
47°
34°
13
57°
40°
14
52°
40°
15
46°
40°
16
44°
39°
17
62°
42°
18
69°
43°
19
59°
39°
20
39°
29°
21
46°
29°
22
54°
42°
23
50°
38°
24
48°
37°
25
57°
38°
26
63°
42°
27
69°
47°
28
69°
48°
29
64°
53°
30
56°
44°
1
51°
38°
2
48°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in William's Harbour
William's Harbour's April 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for April is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in William's Harbour. See also: May | June | July.
